STD901T datasheet by STMicroelectronics

STD901T Frequently Asked Questions (FAQs)

• What is the recommended operating voltage range for STD901T?
  The recommended operating voltage range for STD901T is 2.7V to 5.5V, with a typical voltage of 3.3V.
• How do I configure the STD901T for I2C or SPI mode?
  The STD901T can be configured for I2C or SPI mode by setting the MODE pin high or low, respectively. For I2C mode, connect the MODE pin to VCC, and for SPI mode, connect it to GND.
• What is the maximum clock frequency supported by the STD901T?
  The STD901T supports clock frequencies up to 10 MHz in I2C mode and up to 20 MHz in SPI mode.
• How do I handle the interrupt output (INT) of the STD901T?
  The INT pin is an open-drain output, so it requires an external pull-up resistor to VCC. The INT pin is active-low, meaning it goes low when an interrupt occurs.
• What is the purpose of the RST pin on the STD901T?
  The RST pin is an active-low reset input that resets the device when pulled low. It can be connected to a reset generator or a manual reset button.